difosforan tetrasodowy dekahydrat 99,0-103,0, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. zA
Dostawca: VWR Chemicals
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Uwaga
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Synonim:
Sodium pyrophosphate decahydrate, tetra-Sodium pyrophosphate decahydrate, Sodium pyrophosphate tetrabasic decahydrate, TSPP
28055.292EA
553
PLN
28055.292
28055.460
difosforan tetrasodowy dekahydrat 99,0-103,0, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. zA
difosforan tetrasodowy dekahydrat
Formuła:
Na₄P₂O₇·10H₂O MW: 446.06 g/mol Temp. topnienia: 990 Gęstość: 1.82 g/cm³ (25 °C) Temperatura przechowywania: Temperatura otoczenia |
Numer MDL:
MFCD00149200 Numer CAS: 13472-36-1 Numer WE (dawny EINECS): 231-767-1 |
Wyniki testów specyfikacyjnych
Assay | 99.0 - 103.0 % |
pH (25°C; 5 %) | 9.5 - 10.5 |
Heavy metals (as Pb) | Max. 5 ppm |
Insolubility in water | Max. 50 ppm |
Nitrogen compounds (as N) | Max. 10 ppm |
Orthophosphates (as PO4) | Max. 0.5 % |
Cl (Chloride) | Max. 20 ppm |
NH4 (Ammonium) | Max. 10 ppm |
NO3 (Nitrate) | Max. 20 ppm |
SO4 (Sulphate) | Max. 50 ppm |
As (Arsenic) | Max. 1 ppm |
Fe (Iron) | Max. 5 ppm |
K (Potassium) | Max. 100 ppm |
Conforms to ACS | Passes test |
Conforms to Reag. Ph.Eur. | Passes test |
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